652 lines
18 KiB
TypeScript
652 lines
18 KiB
TypeScript
import React, { useCallback, useRef, useEffect, useState } from "react";
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import { useRouter } from "next/router";
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import Gradient from "javascript-color-gradient";
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import mapboxgl from "mapbox-gl";
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import useSWRImmutable from "swr/immutable";
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import styles from "../styles/Map.module.css";
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import Sidebar from "./Sidebar";
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import ToggleLayersControl from "./ToggleLayersControl";
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import SearchBar from "./SearchBar";
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mapboxgl.accessToken = process.env.NEXT_PUBLIC_MAPBOX_TOKEN ?? "";
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const colorGradient = new Gradient();
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colorGradient.setGradient(
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"#0000FF",
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"#00FF00",
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"#FFFF00",
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"#FFA500",
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"#FF0000"
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);
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colorGradient.setMidpoint(360);
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const LIVE_DOWNLOAD_COUNTS_URL =
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"https://staticstats.nexusmods.com/live_download_counts/mods/1704.csv";
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const jsonFetcher = (url: string) => fetch(url).then((res) => res.json());
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const csvFetcher = (url: string) => fetch(url).then((res) => res.text());
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const Map: React.FC = () => {
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const router = useRouter();
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const mapContainer = useRef<HTMLDivElement | null>(
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null
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) as React.MutableRefObject<HTMLDivElement>;
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const map = useRef<mapboxgl.Map | null>(
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null
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) as React.MutableRefObject<mapboxgl.Map>;
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const mapWrapper = useRef<HTMLDivElement | null>(
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null
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) as React.MutableRefObject<HTMLDivElement>;
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const [mapLoaded, setMapLoaded] = useState<boolean>(false);
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const [heatmapLoaded, setHeatmapLoaded] = useState<boolean>(false);
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const [selectedCell, setSelectedCell] = useState<{
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x: number;
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y: number;
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} | null>(null);
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const [selectedCells, setSelectedCells] = useState<
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| {
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x: number;
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y: number;
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}[]
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| null
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>(null);
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const sidebarOpen = selectedCell !== null || router.query.mod !== undefined;
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const { data: cellsData, error: cellsError } = useSWRImmutable(
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"https://cells.modmapper.com/edits.json",
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jsonFetcher
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);
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// The live download counts are not really immutable, but I'd still rather load them once per session
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const [counts, setCounts] = useState<Record<
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number,
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[number, number, number]
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> | null>(null);
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const { data: countsData, error: countsError } = useSWRImmutable(
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LIVE_DOWNLOAD_COUNTS_URL,
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csvFetcher
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);
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const selectMapCell = useCallback(
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(cell: { x: number; y: number }) => {
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if (!map.current) return;
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if (map.current && !map.current.getSource("grid-source")) return;
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map.current.setFeatureState(
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{
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source: "grid-source",
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id: (cell.x + 57) * 100 + 50 - cell.y,
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},
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{
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selected: true,
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}
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);
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requestAnimationFrame(() => map.current && map.current.resize());
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var zoom = map.current.getZoom();
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var viewportNW = map.current.project([-180, 85.051129]);
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var cellSize = Math.pow(2, zoom + 2);
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const x = cell.x + 57;
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const y = 50 - cell.y;
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let nw = map.current.unproject([
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x * cellSize + viewportNW.x,
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y * cellSize + viewportNW.y,
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]);
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let ne = map.current.unproject([
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x * cellSize + viewportNW.x + cellSize,
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y * cellSize + viewportNW.y,
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]);
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let se = map.current.unproject([
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x * cellSize + viewportNW.x + cellSize,
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y * cellSize + viewportNW.y + cellSize,
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]);
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let sw = map.current.unproject([
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x * cellSize + viewportNW.x,
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y * cellSize + viewportNW.y + cellSize,
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]);
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const selectedCellLines: GeoJSON.FeatureCollection<
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GeoJSON.Geometry,
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GeoJSON.GeoJsonProperties
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> = {
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type: "FeatureCollection",
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features: [
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{
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type: "Feature",
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geometry: {
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type: "LineString",
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coordinates: [
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[nw.lng, nw.lat],
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[ne.lng, ne.lat],
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[se.lng, se.lat],
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[sw.lng, sw.lat],
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[nw.lng, nw.lat],
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],
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},
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properties: { x: x, y: y },
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},
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],
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};
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if (map.current.getLayer("selected-cell-layer")) {
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map.current.removeLayer("selected-cell-layer");
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}
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if (map.current.getSource("selected-cell-source")) {
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map.current.removeSource("selected-cell-source");
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}
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map.current.addSource("selected-cell-source", {
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type: "geojson",
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data: selectedCellLines,
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});
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map.current.addLayer({
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id: "selected-cell-layer",
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type: "line",
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source: "selected-cell-source",
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paint: {
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"line-color": "blue",
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"line-width": 3,
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},
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});
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const bounds = map.current.getBounds();
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if (!bounds.contains(nw) || !bounds.contains(se)) {
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map.current.panTo(nw);
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}
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},
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[map]
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);
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const selectCells = useCallback(
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(cells: { x: number; y: number }[]) => {
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if (!map.current) return;
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if (map.current && !map.current.getSource("grid-source")) return;
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var zoom = map.current.getZoom();
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var viewportNW = map.current.project([-180, 85.051129]);
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var cellSize = Math.pow(2, zoom + 2);
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const selectedCellsLines: GeoJSON.FeatureCollection<
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GeoJSON.Geometry,
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GeoJSON.GeoJsonProperties
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> = {
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type: "FeatureCollection",
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features: [],
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};
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let bounds: mapboxgl.LngLatBounds | null = null;
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for (const cell of cells) {
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const x = cell.x + 57;
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const y = 50 - cell.y;
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let nw = map.current.unproject([
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x * cellSize + viewportNW.x,
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y * cellSize + viewportNW.y,
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]);
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let ne = map.current.unproject([
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x * cellSize + viewportNW.x + cellSize,
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y * cellSize + viewportNW.y,
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]);
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let se = map.current.unproject([
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x * cellSize + viewportNW.x + cellSize,
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y * cellSize + viewportNW.y + cellSize,
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]);
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let sw = map.current.unproject([
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x * cellSize + viewportNW.x,
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y * cellSize + viewportNW.y + cellSize,
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]);
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if (bounds) {
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bounds.extend(new mapboxgl.LngLatBounds(sw, ne));
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} else {
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bounds = new mapboxgl.LngLatBounds(sw, ne);
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}
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selectedCellsLines.features.push({
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type: "Feature",
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geometry: {
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type: "LineString",
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coordinates: [
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[nw.lng, nw.lat],
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[ne.lng, ne.lat],
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[se.lng, se.lat],
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[sw.lng, sw.lat],
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[nw.lng, nw.lat],
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],
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},
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properties: { x: x, y: y },
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});
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}
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if (map.current.getLayer("selected-cells-layer")) {
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map.current.removeLayer("selected-cells-layer");
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}
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if (map.current.getSource("selected-cells-source")) {
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map.current.removeSource("selected-cells-source");
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}
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map.current.addSource("selected-cells-source", {
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type: "geojson",
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data: selectedCellsLines,
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});
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map.current.addLayer({
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id: "selected-cells-layer",
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type: "line",
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source: "selected-cells-source",
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paint: {
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"line-color": "purple",
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"line-width": 4,
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},
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});
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requestAnimationFrame(() => {
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if (map.current) {
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map.current.resize();
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if (bounds) {
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map.current.fitBounds(bounds, { padding: 20 });
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}
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}
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});
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},
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[map]
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);
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const selectCell = useCallback(
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(cell) => {
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router.push({ query: { cell: cell.x + "," + cell.y } });
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setSelectedCell(cell);
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selectMapCell(cell);
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},
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[setSelectedCell, selectMapCell, router]
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);
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const clearSelectedCell = useCallback(() => {
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setSelectedCell(null);
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if (map.current) map.current.removeFeatureState({ source: "grid-source" });
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if (map.current && map.current.getLayer("selected-cell-layer")) {
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map.current.removeLayer("selected-cell-layer");
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}
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if (map.current && map.current.getSource("selected-cell-source")) {
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map.current.removeSource("selected-cell-source");
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}
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requestAnimationFrame(() => {
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if (map.current) map.current.resize();
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});
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}, [map]);
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const clearSelectedCells = useCallback(() => {
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setSelectedCells(null);
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if (map.current && map.current.getLayer("selected-cells-layer")) {
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map.current.removeLayer("selected-cells-layer");
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}
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if (map.current && map.current.getSource("selected-cells-source")) {
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map.current.removeSource("selected-cells-source");
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}
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requestAnimationFrame(() => {
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if (map.current) map.current.resize();
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});
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}, [map]);
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const clearSelectedMod = useCallback(() => {
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requestAnimationFrame(() => {
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if (map.current) map.current.resize();
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});
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}, [map]);
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useEffect(() => {
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if (!heatmapLoaded) return; // wait for all map layers to load
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if (router.query.cell && typeof router.query.cell === "string") {
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const cellUrlParts = decodeURIComponent(router.query.cell).split(",");
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const cell = {
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x: parseInt(cellUrlParts[0]),
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y: parseInt(cellUrlParts[1]),
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};
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if (
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!selectedCell ||
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selectedCell.x !== cell.x ||
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selectedCell.y !== cell.y
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) {
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selectCell(cell);
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}
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} else {
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if (selectedCell) {
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clearSelectedCell();
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}
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}
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}, [
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selectedCell,
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router.query.cell,
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router.query.mod,
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selectCell,
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clearSelectedCell,
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heatmapLoaded,
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]);
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useEffect(() => {
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if (!heatmapLoaded) return; // wait for all map layers to load
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if (
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router.query.mod &&
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typeof router.query.mod === "string" &&
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selectedCells
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) {
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selectCells(selectedCells);
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} else {
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if (selectedCells) {
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clearSelectedCells();
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}
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}
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}, [
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selectedCells,
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router.query.mod,
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selectCells,
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clearSelectedCells,
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heatmapLoaded,
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]);
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useEffect(() => {
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if (!heatmapLoaded) return; // wait for all map layers to load
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if (!router.query.mod || typeof router.query.mod !== "string") {
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clearSelectedMod();
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}
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}, [router.query.mod, clearSelectedMod, heatmapLoaded]);
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useEffect(() => {
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if (map.current) return; // initialize map only once
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map.current = new mapboxgl.Map({
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container: mapContainer.current,
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style: {
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version: 8,
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sources: {
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"raster-tiles": {
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type: "raster",
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tiles: ["https://tiles.modmapper.com/{z}/{x}/{y}.jpg"],
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tileSize: 256,
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attribution:
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'Map tiles by <a href="https://en.uesp.net/wiki/Skyrim:Skyrim">UESP</a>',
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},
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},
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layers: [
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{
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id: "simple-tiles",
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type: "raster",
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source: "raster-tiles",
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},
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],
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glyphs: "mapbox://fonts/mapbox/{fontstack}/{range}.pbf",
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},
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center: [0, 0],
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zoom: 0,
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minZoom: 0,
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maxZoom: 8,
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maxBounds: [
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[-180, -85.051129],
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[180, 85.051129],
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],
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});
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map.current.on("load", () => {
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setMapLoaded(true);
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});
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}, [setMapLoaded]);
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useEffect(() => {
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if (!cellsData || !router.isReady || !mapLoaded) return; // wait for map to initialize and data to load
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if (map.current.getSource("graticule")) return; // don't initialize twice
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const zoom = map.current.getZoom();
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const viewportNW = map.current.project([-180, 85.051129]);
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const cellSize = Math.pow(2, zoom + 2);
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const graticule: GeoJSON.FeatureCollection<
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GeoJSON.Geometry,
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GeoJSON.GeoJsonProperties
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> = {
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type: "FeatureCollection",
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features: [],
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};
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for (let x = 0; x < 128; x += 1) {
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let lng = map.current.unproject([x * cellSize + viewportNW.x, -90]).lng;
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graticule.features.push({
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type: "Feature",
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geometry: {
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type: "LineString",
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coordinates: [
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[lng, -90],
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[lng, 90],
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],
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},
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properties: { value: x },
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});
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}
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for (let y = 0; y < 128; y += 1) {
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let lat = map.current.unproject([-180, y * cellSize + viewportNW.y]).lat;
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graticule.features.push({
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type: "Feature",
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geometry: {
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type: "LineString",
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coordinates: [
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[-180, lat],
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[180, lat],
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],
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},
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properties: { value: y },
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});
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}
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map.current.addSource("graticule", {
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type: "geojson",
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data: graticule,
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});
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map.current.addLayer({
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id: "graticule",
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type: "line",
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source: "graticule",
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});
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const gridLabelPoints: GeoJSON.FeatureCollection<
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GeoJSON.Geometry,
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GeoJSON.GeoJsonProperties
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> = {
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type: "FeatureCollection",
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features: [],
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};
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for (let x = 0; x < 128; x += 1) {
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for (let y = 0; y < 128; y += 1) {
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let nw = map.current.unproject([
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x * cellSize + viewportNW.x + cellSize / 32,
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y * cellSize + viewportNW.y + cellSize / 32,
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]);
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gridLabelPoints.features.push({
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type: "Feature",
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geometry: {
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type: "Point",
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coordinates: [nw.lng, nw.lat],
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},
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properties: {
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label: `${x - 57}, ${50 - y}`,
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},
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});
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}
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}
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map.current.addSource("grid-labels-source", {
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type: "geojson",
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data: gridLabelPoints,
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});
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map.current.addLayer({
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id: "grid-labels-layer",
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type: "symbol",
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source: "grid-labels-source",
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layout: {
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"text-field": ["get", "label"],
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"text-font": ["Open Sans Semibold", "Arial Unicode MS Bold"],
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"text-offset": [0, 0],
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"text-anchor": "top-left",
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"text-rotation-alignment": "map",
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},
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paint: {
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"text-halo-width": 1,
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"text-halo-blur": 3,
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"text-halo-color": "rgba(255,255,255,0.8)",
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},
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minzoom: 4,
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});
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const grid: GeoJSON.FeatureCollection<
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GeoJSON.Geometry,
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GeoJSON.GeoJsonProperties
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> = {
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type: "FeatureCollection",
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features: [],
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};
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for (let x = 0; x < 128; x += 1) {
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for (let y = 0; y < 128; y += 1) {
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let nw = map.current.unproject([
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x * cellSize + viewportNW.x,
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y * cellSize + viewportNW.y,
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]);
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let ne = map.current.unproject([
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x * cellSize + viewportNW.x + cellSize,
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y * cellSize + viewportNW.y,
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]);
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let se = map.current.unproject([
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x * cellSize + viewportNW.x + cellSize,
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y * cellSize + viewportNW.y + cellSize,
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]);
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let sw = map.current.unproject([
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x * cellSize + viewportNW.x,
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y * cellSize + viewportNW.y + cellSize,
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]);
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const editCount = (cellsData as Record<string, number>)[
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`${x - 57},${50 - y}`
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];
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grid.features.push({
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type: "Feature",
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id: x * 100 + y,
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geometry: {
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type: "Polygon",
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coordinates: [
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[
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[nw.lng, nw.lat],
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[ne.lng, ne.lat],
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[se.lng, se.lat],
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[sw.lng, sw.lat],
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[nw.lng, nw.lat],
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],
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],
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},
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properties: {
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x: x,
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y: y,
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cellX: x - 57,
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cellY: 50 - y,
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label: `${x - 57}, ${50 - y}`,
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color: editCount ? colorGradient.getColor(editCount) : "#888888",
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opacity: editCount ? Math.min((editCount / 150) * 0.25, 0.5) : 0,
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},
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});
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}
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}
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|
|
map.current.addSource("grid-source", {
|
|
type: "geojson",
|
|
data: grid,
|
|
});
|
|
|
|
map.current.addLayer(
|
|
{
|
|
id: "grid-layer",
|
|
type: "fill",
|
|
source: "grid-source",
|
|
paint: {
|
|
"fill-opacity": 0,
|
|
},
|
|
},
|
|
"grid-labels-layer"
|
|
);
|
|
|
|
map.current.addLayer(
|
|
{
|
|
id: "heatmap-layer",
|
|
type: "fill",
|
|
source: "grid-source",
|
|
paint: {
|
|
"fill-color": ["get", "color"],
|
|
"fill-opacity": ["get", "opacity"],
|
|
"fill-outline-color": [
|
|
"case",
|
|
["boolean", ["feature-state", "selected"], false],
|
|
"white",
|
|
"transparent",
|
|
],
|
|
},
|
|
},
|
|
"grid-labels-layer"
|
|
);
|
|
const fullscreenControl = new mapboxgl.FullscreenControl();
|
|
(fullscreenControl as unknown as { _container: HTMLElement })._container =
|
|
mapWrapper.current;
|
|
map.current.addControl(fullscreenControl);
|
|
map.current.addControl(new mapboxgl.NavigationControl());
|
|
|
|
let singleClickTimeout: NodeJS.Timeout | null = null;
|
|
map.current.on("click", "grid-layer", (e) => {
|
|
const features = e.features;
|
|
if (singleClickTimeout) return;
|
|
singleClickTimeout = setTimeout(() => {
|
|
singleClickTimeout = null;
|
|
if (features && features[0]) {
|
|
const cell = {
|
|
x: features[0].properties!.cellX,
|
|
y: features[0].properties!.cellY,
|
|
};
|
|
router.push({ query: { cell: cell.x + "," + cell.y } });
|
|
}
|
|
}, 200);
|
|
});
|
|
|
|
map.current.on("dblclick", "grid-layer", (e) => {
|
|
if (singleClickTimeout) clearTimeout(singleClickTimeout);
|
|
singleClickTimeout = null;
|
|
});
|
|
|
|
setHeatmapLoaded(true);
|
|
}, [cellsData, mapLoaded, router, setHeatmapLoaded]);
|
|
|
|
useEffect(() => {
|
|
if (countsData) {
|
|
const newCounts: Record<number, [number, number, number]> = {};
|
|
for (const line of countsData.split("\n")) {
|
|
const nums = line.split(",").map((count) => parseInt(count, 10));
|
|
newCounts[nums[0]] = [nums[1], nums[2], nums[3]];
|
|
}
|
|
setCounts(newCounts);
|
|
}
|
|
}, [setCounts, countsData]);
|
|
|
|
return (
|
|
<>
|
|
<div
|
|
className={`${styles["map-wrapper"]} ${
|
|
sidebarOpen ? styles["map-wrapper-sidebar-open"] : ""
|
|
}`}
|
|
ref={mapWrapper}
|
|
>
|
|
<div ref={mapContainer} className={styles["map-container"]}>
|
|
<Sidebar
|
|
selectedCell={selectedCell}
|
|
clearSelectedCell={() => router.push({ query: {} })}
|
|
setSelectedCells={setSelectedCells}
|
|
map={map}
|
|
counts={counts}
|
|
countsError={countsError}
|
|
/>
|
|
<ToggleLayersControl map={map} />
|
|
<SearchBar
|
|
map={map}
|
|
clearSelectedCell={() => router.push({ query: {} })}
|
|
counts={counts}
|
|
/>
|
|
</div>
|
|
</div>
|
|
</>
|
|
);
|
|
};
|
|
|
|
export default Map;
|